One having fought Jerry perfectly fittingly awarded Military Cross (6)

I believe the answer is:

tomcat

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'one having fought jerry perfectly fittingly awarded military cross' is the definition.
Although both the answer and definition are singular nouns, I cannot see how one could define the other.

This is all the clue.

Can you help me to learn more?

(Other definitions for tomcat that I've seen before include "Male mog" , "Asparagus, perhaps" , "Male moggie" , "Male pet" , "Male animal: US Navy fighter plane" .)

I've seen this clue in The Telegraph.

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